Home / 2,783,142.40-4,171,603.20-1,585,638.40

Finding the Fourth Proportional to 2,783,142.40, 4,171,603.20 and 1,585,638.40

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Solution

The fourth proportional to 2,783,142.40, 4,171,603.20 and 1,585,638.40 is: 2,376,685.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,142.40 : 4,171,603.20 = 1,585,638.40 : x
  2. Step 2: Convert to fraction form
    2,783,142.40/4,171,603.20 = 1,585,638.40/x
  3. Step 3: Cross multiply
    2,783,142.40x = 4,171,603.20 × 1,585,638.40
  4. Step 4: Simplify right side
    2,783,142.40x = 6,614,654,223,482.88
  5. Step 5: Solve for x
    x = 6,614,654,223,482.88/2,783,142.40
  6. Step 6: Final answer
    x = 2,376,685.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.